I personally like Nature's Best Low Carb Isopure. They are low in carbs and give 50 grams of protein. I usually mix this with an EAS Carb Control shake to add to the flavor and that increases the protein by 15 grams to give a 300 calorie 65g protein 5g carb shake.
http://store.yahoo.com/advantagesupp...tbeslowca.html